The scientists found that blueberries, grapes, raisins, apples and pears were especially protective, while drinking fruit juice could increase the risk of developing the condition by as much as 8 percent.source

The cells were able to grow and organise themselves into separate regions of the brain, such as the cerebral cortex, the retina, and, rarely, an early hippocampus, which would be heavily involved in memory in a fully developed adult brain.source